<template>
  <div class="goods-comment">
    <div class="head" v-if="commentInfo">
      <div class="data">
        <p><span>{{commentInfo.salesCount}}</span><span>人购买</span></p>
        <p><span>{{commentInfo.praisePercent}}</span><span>好评率</span></p>
      </div>
      <div class="tags">
        <div class="dt">大家都在说：</div>
        <!-- 全部和有图是固定的，其他是生成的 -->
        <div class="dd">
         <a
            v-for="(item,i) in commentInfo.tags"
            :key="item.title"
            href="javascript:;"
            :class="{active:curIdx===i}"
           @click="selectTag(i,item)"
          >{{item.title}} ({{item.tagCount}})</a>
        </div>
      </div>
    </div>
    <div class="sort" v-if="commentInfo">
      <span>排序：</span>
      <a href="javascript:;"  @click="changeSort(null)" :class="{active:reqParams.sortField==null}">默认</a>
    <a href="javascript:;" @click="changeSort('createTime')" :class="{active: reqParams.sortField=='createTime'}">最新</a>
      <a href="javascript:;" @click="changeSort('praiseCount')" :class="{active: reqParams.sortField=='praiseCount'}">最热</a>

    </div>
    <!-- 列表 -->
<div class="list">
  <div class="item" v-for="item in commentList" :key="item.id">
    <div class="user">
            <img :src="item.member.avatar" alt="">
      <span>{{item.member.nickname}}</span>
    </div>
    <div class="body">
      <div class="score">
        <!-- 打分：icon-wjx01：是实心的 icon-wjx02: 是空心的 -->
        <i v-for="i in item.score" :key="i+'1'" class="iconfont icon-wjx01"></i>
        <i v-for="i in 5-item.score" :key="i+'2'" class="iconfont icon-wjx02"></i>
        <span class="attr">{{item.orderInfo.specs.reduce((acc,cur)=>`${acc} ${cur.name}: ${cur.nameValue}`,"")}}</span>
      </div>
      <div class="text">{{item.content}}</div>
      <!-- 使用图片懒加载 -->
      <GoodsCommentImage :pictures="item.pictures"/>
      <div class="time">
        <span>{{item.createTime}}</span>
        <span class="zan"><i class="iconfont icon-dianzan"></i>{{item.praiseCount}}</span>
      </div>
    </div>
  </div>
</div>
   <XtxPagination @current-change="changePager" :total="total"/>
  </div>
</template>
<script>
import { inject, ref, watch, reactive } from 'vue'
import { findCommentInfoByGoods, findCommentListByGoods } from '@/api/goods'
import GoodsCommentImage from './goods-comment-image.vue'
export default {
  name: 'GoodsComment',
  components: { GoodsCommentImage },
  setup () {
    const goodsData = inject('goodsData')
    const commentInfo = ref(null)
    const curIdx = ref(0)
    const changeSort = (type) => {
      reqParams.sortField = type
      reqParams.page = 1
    }
    // 更改tag
    const selectTag = (i, item) => {
      curIdx.value = i
      console.log(i, item)
      // 更新条件
      if (item.title === '全部') {
        reqParams.tag = null
        reqParams.hasPicture = null
      } else if (item.title === '有图') {
        reqParams.tag = null
        reqParams.hasPicture = true
      } else {
        reqParams.tag = item.title
        reqParams.hasPicture = null
      }

      // 重置页码
      reqParams.page = 1
    }

    // 筛选条件
    const reqParams = reactive({
      page: 1, // 页码
      pageSize: 10, // 一页几条
      hasPicture: null, // 是否有图
      tag: null, // 标签
      sortField: null, // 排序依据
      sortMethod: null
    })
    // 初始化或者筛选条件改变后，获取列表数据。
    const commentList = ref([])
    // 记录总条数
    const total = ref(0)
    watch(reqParams, async () => {
      const data = await findCommentListByGoods(goodsData.id, reqParams)
      commentList.value = data.result.items
      total.value = data.result.counts
    }, { immediate: true })
    findCommentInfoByGoods(goodsData.value.id).then(data => {
      data.result.tags.unshift({ type: 'img', title: '有图', tagCount: data.result.hasPictureCount })
      data.result.tags.unshift({ type: 'all', title: '全部评论', tagCount: data.result.evaluateCount })
      commentInfo.value = data.result
      console.log('findCommentInfoByGoods', data.result)
    })
    // 改变分页函数
    const changePager = (np) => {
      reqParams.page = np
    }
    return { goodsData, commentInfo, curIdx, commentList, changeSort, reqParams, selectTag, changePager, total }
  }
}
</script>
<style scoped lang="less">
.goods-comment {
  .head {
    display: flex;
    padding: 30px 0;
    .data {
      width: 340px;
      display: flex;
      padding: 20px;
      p {
        flex: 1;
        text-align: center;
        span {
          display: block;
          &:first-child {
            font-size: 32px;
            color: @priceColor;
          }
          &:last-child {
            color: #999;
          }
        }
      }
    }
    .tags {
      flex: 1;
      display: flex;
      border-left: 1px solid #f5f5f5;
      .dt {
        font-weight: bold;
        width: 100px;
        text-align: right;
        line-height: 42px;
      }
      .dd {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        > a {
          width: 132px;
          height: 42px;
          margin-left: 20px;
          margin-bottom: 20px;
          border-radius: 4px;
          border: 1px solid #e4e4e4;
          background: #f5f5f5;
          color: #999;
          text-align: center;
          line-height: 40px;
          &:hover {
            border-color: @xtxColor;
            background: lighten(@xtxColor,50%);
            color: @xtxColor;
          }
          &.active {
            border-color: @xtxColor;
            background: @xtxColor;
            color: #fff;
          }
        }
      }
    }
  }
  .sort {
    height: 60px;
    line-height: 60px;
    border-top: 1px solid #f5f5f5;
    border-bottom: 1px solid #f5f5f5;
    margin: 0 20px;
    color: #666;
    > span {
      margin-left: 20px;
    }
    > a {
      margin-left: 30px;
      &.active,&:hover {
        color: @xtxColor;
      }
    }
  }
}
  .list {
    padding: 0 20px;
    .item {
      display: flex;
      padding: 25px 10px;
      border-bottom: 1px solid #f5f5f5;
      .user {
        width: 160px;
        img {
          width: 40px;
          height: 40px;
          border-radius: 50%;
          overflow: hidden;
        }
        span {
          padding-left: 10px;
          color: #666;
        }
      }
      .body {
        flex: 1;
        .score {
          line-height: 40px;
          .iconfont {
            color: #ff9240;
            padding-right: 3px;
          }
          .attr {
            padding-left: 10px;
            color: #666;
          }
        }
      }
      .text {
        color: #666;
        line-height: 24px;
      }
      .time {
        color: #999;
        display: flex;
        justify-content: space-between;
        margin-top: 5px;
      }
    }
  }
</style>
